<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<form action="/demo1" method="post">
    城市ID：<input type="text" name="id">
    城市名称：<input type="text" name="name">
    GDP：<input type="text" name="GDP">
    是否省会：<input type="text" name="capital">

    <input type="submit">
</form>
</body>
</html>